DE2730343C2 - Auswahlschaltung zum Festlegen eines von einer Gamma-Szintillationskamera dargestellten kreis- oder ellipsenförmigen Bereichs - Google Patents
Auswahlschaltung zum Festlegen eines von einer Gamma-Szintillationskamera dargestellten kreis- oder ellipsenförmigen BereichsInfo
- Publication number
- DE2730343C2 DE2730343C2 DE2730343A DE2730343A DE2730343C2 DE 2730343 C2 DE2730343 C2 DE 2730343C2 DE 2730343 A DE2730343 A DE 2730343A DE 2730343 A DE2730343 A DE 2730343A DE 2730343 C2 DE2730343 C2 DE 2730343C2
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- signal
- signals
- output
- area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000012545 processing Methods 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 19
- 238000012544 monitoring process Methods 0.000 description 15
- 230000008859 change Effects 0.000 description 5
- 230000005251 gamma ray Effects 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000002285 radioactive effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 210000003734 kidney Anatomy 0.000 description 3
- 210000004185 liver Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
- G01T1/164—Scintigraphy
- G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
- G01T1/1642—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using a scintillation crystal and position sensing photodetector arrays, e.g. ANGER cameras
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4258—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma radiation
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Nuclear Medicine (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7892876A JPS535883A (en) | 1976-07-05 | 1976-07-05 | Device for setting interesting region by scintillation camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2730343A1 DE2730343A1 (de) | 1978-01-19 |
| DE2730343C2 true DE2730343C2 (de) | 1985-02-28 |
Family
ID=13675521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2730343A Expired DE2730343C2 (de) | 1976-07-05 | 1977-07-05 | Auswahlschaltung zum Festlegen eines von einer Gamma-Szintillationskamera dargestellten kreis- oder ellipsenförmigen Bereichs |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4200793A (cs) |
| JP (1) | JPS535883A (cs) |
| DE (1) | DE2730343C2 (cs) |
| GB (1) | GB1588921A (cs) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5533602A (en) * | 1978-08-07 | 1980-03-08 | Hitachi Medical Corp | Scintillation camera |
| US4566074A (en) * | 1981-10-08 | 1986-01-21 | Tokyo Shibaura Denki Kabushiki Kaisha | Scintillation camera |
| JPS59141083A (ja) * | 1983-01-31 | 1984-08-13 | Shimadzu Corp | 放射線結像装置 |
| US4654795A (en) * | 1984-03-20 | 1987-03-31 | Elscint Ltd. | Image processing systems and methods |
| US5423316A (en) * | 1992-03-10 | 1995-06-13 | Siemens Medical Systems, Inc. | Automatic identification of anatomical features of interest from data acquired in nuclear medicine studies and superimposition of such features of persistence scope displays |
| GB9314398D0 (en) * | 1993-07-12 | 1993-08-25 | Gen Electric | Signal processing in scintillation cameras for nuclear medicine |
| FI96067C (fi) * | 1993-10-11 | 1996-04-25 | Wallac Oy | Menetelmä ja laite tuikevalopulssien laskemiseksi |
| FR2752620A1 (fr) * | 1996-08-21 | 1998-02-27 | Smv Int | Procede et dispositif d'acquisition d'image par comptage de coups dans une region d'examen a l'aide d'une gamma camera |
| JP4729139B2 (ja) * | 2001-02-27 | 2011-07-20 | 株式会社ササキコーポレーション | 紙葉細断装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3655974A (en) * | 1969-06-23 | 1972-04-11 | Nuclear Chicago Corp | Analog window apparatus for signalling whether a data point represented by a pair of coordinate signals is within a selectably shaped region of two-dimensional space |
| DE2253988A1 (de) * | 1972-11-03 | 1974-05-16 | Siemens Ag | Markierungsanordnung fuer eine gammakamera |
| DE2418542A1 (de) * | 1974-04-17 | 1975-10-30 | Siemens Ag | Einrichtung zur verarbeitung von in einem datenspeicher gespeicherten bildsignalen |
| US3970852A (en) * | 1974-07-08 | 1976-07-20 | Ohio Nuclear, Inc. | Process and apparatus for scanning sections of radiation |
| DE2445482C3 (de) * | 1974-09-24 | 1979-10-25 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Anordnung zur iterativen Ermittlung des Verlaufs einer Funktion in einer Ebene |
-
1976
- 1976-07-05 JP JP7892876A patent/JPS535883A/ja active Granted
-
1977
- 1977-07-04 GB GB27924/77A patent/GB1588921A/en not_active Expired
- 1977-07-05 DE DE2730343A patent/DE2730343C2/de not_active Expired
- 1977-07-05 US US05/812,626 patent/US4200793A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5527311B2 (cs) | 1980-07-19 |
| JPS535883A (en) | 1978-01-19 |
| US4200793A (en) | 1980-04-29 |
| GB1588921A (en) | 1981-04-29 |
| DE2730343A1 (de) | 1978-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |